A kind of acaricidal composition containing pyrimethan

A technology of pyrimethan and its composition, which is applied in the field of application of acaricidal composition on crop pests, can solve the problems that the relevant reports of compounding have not been published, and achieve the safety of humans and animals, enhanced adhesion, and reduced residues Effect

Active Publication Date: 2017-03-29
陕西汤普森生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After research by the inventors, it was found that compounding pyrimizamid with bifenazin, hexyzafen, spirodiclofen, fenpyrox or bromodifen can produce a good synergistic effect. Reports on the compounding of fenhydrazate, hexymethoxone, spirodiclofen, pyrazafen or bromodiclofen have not yet been published

Method used

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  • A kind of acaricidal composition containing pyrimethan
  • A kind of acaricidal composition containing pyrimethan
  • A kind of acaricidal composition containing pyrimethan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～16

[0040] Examples 1-16 Wettable powders

[0041] Mix pyrimidine, active ingredient B, dispersant, wetting agent and filler uniformly in a mixing tank, and then pulverize by a jet mill and then mix uniformly, the wettable powder product of the present invention can be obtained, as shown in the table for details. 1.

[0042] The components and parts by weight of Table 1 Examples 1-16

[0043]

Embodiment 1732

[0044] Example 1732 Water Dispersible Granules

[0045] Pulverize pyrimidine, active ingredient B, dispersant, wetting agent, disintegrant, filler, etc. together to obtain the desired particle size, and then add other additives such as binder (which may or may not be added) to obtain granulation. material. After quantitatively feeding the material into the fluidized bed granulation dryer, after granulation and drying, the water dispersible granule product of the present invention can be obtained, as shown in Table 2 for details.

[0046] The components and parts by weight of Table 2 Examples 17-32

[0047]

[0048]

Embodiment 33～48

[0049] Embodiment 33~48 suspending agent

[0050] Dispersing agent, wetting agent, defoaming agent, thickener (can be added or not), antifreeze agent (can be added or not) are mixed uniformly through high-speed shearing, add pyrimidine and active ingredient B, and put them in a ball mill. Ball milling for 2 to 3 hours to make all particle sizes below 5 μm, and make up the remainder with deionized water, to obtain the suspension product of the present invention. See Table 3 for details.

[0051] The components and parts by weight of Table 3 Examples 33 to 48

[0052]

[0053]

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PUM

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Abstract

The invention discloses an acaricidal composition containing pyriminostrobin. The acaricidal composition contains an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from pyriminostrobin; the active ingredient B is selected from any one of the following compounds: bifenazate, hexythiazox, spirodiclofen and fenpyroximate or bromopropylate; the weight ratio of the active ingredient A to the active ingredient B is (1 to 80)-(60 to 1). The composition has synergistic effects on various mites harming agricultural production, conduces to reducing the pesticide consumption, reducing the residual quantities of pesticides on crops and reducing environmental pollution, is safe to human and livestock, has good environmental compatibility and enables the mites not to have pesticide resistance easily.

Description

[0001] This application is a divisional application. The original application is a patent titled: "A pyrimidine-containing acaricidal composition" submitted by Shaanxi Thompson Biotechnology Co., Ltd., application number: 201210591603.4, application date: 2012.12.29 technical field [0002] The invention belongs to the technical field of pesticides, and relates to the application of a pyrimidine-containing acaricidal composition on crop mites. Background technique [0003] Pyriminostrobin Chemical name: 2-tert-butyl-5-(4-tert-butylbenzylthio)-4-chloropyridazin-3(2H)-one, molecular formula: C 23 H 18 C l2 F 3 N 3 O 4 . The medicament has a good control effect on Panclaw mites, red spider mites, adult mites, larvae and larvae, and shows excellent ovicidal activity. [0004] Bifenazate Molecular formula: C 17 H 20 N 2 O 3 . It is a new selective foliar spray acaricide that is effective against all life stages of mites. It has ovicidal activity and rapid knockdown ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/38A01N43/56A01N43/54A01P7/02A01N37/36
Inventor 张秋芳
Owner 陕西汤普森生物科技有限公司
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